DFind is described as 'lets you perform advanced file and folder searches on your Mac. Need to find all files containing a certain text? Need to find files created in the last hour? Need to find large files that take up all your disk space?' and is an app in the File Management category. There are more than 25 alternatives to DFind for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPhone. The best alternative is Everything, which is free. Other great apps like DFind are Alfred (Freemium), ueli (Free, Open Source), DocFetcher (Free, Open Source) and FSearch (Free, Open Source).
FileSeek is an easy-to-use file search app that includes advanced functionality for power users! Search through files using simple queries or regular expressions. You can even sync your search settings between computers.
Search all your tools from one place. Clew is your central hub for workplace productivity. Search shouldn’t be stealing 25% of your workweek. Find files, act on them, and share blazingly fast with Clew.
Flashlight gives you control over Spotlight. There are tons of options for customization so you can do things how you want to. Flashlight is designed to make enhancing Spotlight easy and enhance it's usefulness on macOS 10.9 and up.
Salmon is a powerful search tool specifically for files and folders in macOS. Think of it like the Spotlight tool but only for files and folders. When you type anything in the search bar, which can be access anywhere by using a global shortcut).
LaunchPanel is a completely FREE application that allows you to quickly launch applications, open files and folders. The selection panel is activated by a hot key (by default Control Space), by clicking on the icon in the Apple Dock or from Menu bar.